Perhaps you should try some spelling variations:
presenta » presente
presentaban » presenteban, presentan, presentaron, presentadas
presentation » presentetion, presentacion, presentaron, presentan
representation » representetion, representacion, representaron, representan, representaciones, presentacion
presenter » presente, presented, presentar

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((presenta OR presentaban) OR presentation) OR presenter) OR representation) of the Philippines~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((presenta OR presentaban) OR presentation) OR presenter) OR representation) of the Philippines".
• Adding a wildcard symbol may retrieve word variants: ((((presenta OR presentaban) OR presentation) OR presenter) OR representation) of the Philippines*.